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Finding the Fourth Proportional to 70,244.91, 105,117.08 and 56,294.55

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Solution

The fourth proportional to 70,244.91, 105,117.08 and 56,294.55 is: 84,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,244.91 : 105,117.08 = 56,294.55 : x
  2. Step 2: Convert to fraction form
    70,244.91/105,117.08 = 56,294.55/x
  3. Step 3: Cross multiply
    70,244.91x = 105,117.08 × 56,294.55
  4. Step 4: Simplify right side
    70,244.91x = 5,917,518,434.44
  5. Step 5: Solve for x
    x = 5,917,518,434.44/70,244.91
  6. Step 6: Final answer
    x = 84,241.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.